CN215007465U

CN215007465U - Piano learning assisting device

Info

Publication number: CN215007465U
Application number: CN202121253559.7U
Authority: CN
Inventors: 荆蕾
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2021-12-03
Anticipated expiration: 2031-06-03

Abstract

The utility model discloses a piano auxiliary learning device, which comprises a piano frame, support legs, a cover plate, a height control assembly and a displacement treading assembly, wherein the support legs are fixedly connected below the piano frame, keys are arranged on the outer surface of the piano frame, the cover plate is rotatably connected above the keys on the piano frame, a placing frame is arranged below the middle part of the cover plate, an expansion plate is arranged below the piano frame, the height control assembly is arranged below the expansion plate, the displacement treading assembly is arranged at the middle part below the height control assembly, a control pedal is arranged at the middle part below the height control assembly, the positive and negative rotation of a motor is controlled by treading the control pedal, then the worm is pushed to rotate, the worm drives a turbine and a nut to rotate, further the rotation of the nut displaces up and down from the surface of a fixed screw rod, the pushing device reaches proper height, thereby being convenient for a learner with incomplete development to adjust the height of the piano pedal, the piano pedal is convenient to flexibly control when learning the piano, and meanwhile, the use and the playing of normal-stature personnel are not influenced.

Description

Piano learning assisting device

Technical Field

The utility model relates to a piano study assists technical field, specifically is a piano assists learning device.

Background

The piano is a keyboard instrument in Western classical music and is known as the king of the instrument. It is composed of 88 keys (52 white keys, 36 black keys) and a metal string sound board. Piano was invented in 1709 by Butoromo crissodori, Italy (1655-. The piano range is from a2(27.5Hz) to C5(4186Hz), and covers almost all tones in the musical system, being the broadest range of instruments except for the organs. Pianos are commonly used for solo, duet, accompaniment, etc. performances.

The existing piano has some defects in learning and using, firstly, most learners are relatively low in age, so that the height and the limb development of the learners are not complete enough, and the condition that the learners cannot step on piano pedals can occur in the learning and playing of the piano, so that the piano auxiliary learning device is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a learning is assisted to piano device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a learning device is assisted to piano, tramples the subassembly including musical instrument frame, stabilizer blade, apron, height control assembly and displacement, musical instrument frame below fixedly connected with stabilizer blade, musical instrument frame surface is equipped with the key, the musical instrument frame rotates along the key top and is connected with the apron, apron middle part below is equipped with the rack, musical instrument frame below is equipped with the expansion plate, height control assembly is installed to the expansion plate below, height control assembly below mid-mounting has the displacement to trample the subassembly, height control assembly below middle part is equipped with the control pedal.

Preferably, the height control assembly is still including lower shell seat, motor, worm, turbine, nut, screw rod, lower shell seat internal surface mid-mounting has the motor, the equal fixedly connected with worm in motor both ends, the worm surface rotates and is connected with the turbine, turbine middle part fixedly connected with nut, nut internal surface and nut surface threaded connection.

Preferably, the displacement trampling component is still including inside groove, piano footboard, last footboard, spring rod, touch and press switch, inside casing, electro-magnet, tension spring, clamp splice, magnet, piano pedal control rod, inside groove middle part one side is equipped with the piano footboard, piano footboard upper surface is equipped with the footboard, go up footboard below fixedly connected with spring rod, it is equipped with to touch and press switch to go up footboard below middle part, piano footboard right-hand member fixedly connected with inside casing, inside casing internal surface left side is equipped with the electro-magnet, the electro-magnet both sides are equipped with tension spring, tension spring right-hand member fixedly connected with clamp splice, clamp splice left side middle part fixedly connected with magnet, clamp splice right side sliding connection has piano control rod.

Preferably, both sides of the lower shell seat are fixedly connected with side stabilizing blocks, and the outer surfaces of the side stabilizing blocks are slidably connected with side stabilizing plates.

Preferably, a torsion bar spring is arranged at the right end of the inner surface of the piano pedal, and one end of the torsion bar spring is fixedly connected with a cylinder.

Preferably, the two sides below the upper pedal are fixedly connected with sliding blocks, and the outer surfaces of the sliding blocks are connected with sliding grooves in a sliding mode.

Preferably, the right side of the inner surface of the inner frame is provided with anti-skidding teeth, and the outer surface of the piano pedal operating rod is provided with friction stripes.

Preferably, the upper part of the outer surface of the piano pedal is connected with a folding blocking pad in a gluing mode, and one end of the folding blocking pad is connected with an inner groove in a gluing mode.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a height control assembly tramples the control footboard through it, comes the positive and negative rotation of control motor, promotes the worm rotation then for the worm drives the turbine, the nut is rotatory, and then makes the rotation of nut follow fixed screw rod displacement from top to bottom on the surface, thrust unit reachs appropriate height, thereby be convenient for the incomplete learner of body development adjusts the piano footboard height, be convenient for realize the nimble control to the piano footboard when studying the piano, also do not influence the personnel of normal figure simultaneously and use and play.

2. The utility model discloses a last footboard that subassembly was trampled through piano footboard top is trampled in the displacement, when making personnel trample, at first can trample last footboard, thereby press and touch the switch, make the electro-magnet circular telegram repel, promote magnet and clamp splice and move outward, thereby tightly clip piano pedal control rod, at this moment personnel trample the piano footboard, make the action of piano footboard can be good give piano itself through the transmission of piano pedal control rod, and when personnel stop trampling, the electro-magnet outage, tension spring draws back the clamp splice, piano pedal control rod no longer receives the power this moment, make personnel when freely adjusting the footboard height at any time, can also not influence the action transmission of footboard and piano, need not all to carry out new structural connection and installation after adjusting at every turn.

3. The utility model discloses an inside casing internal surface right side is equipped with anti-skidding tooth, and pedal control rod surface of piano is equipped with the friction stripe for can both be reliable and stable when pedal transmission action, avoid appearing phenomenons such as skidding, influence the piano and use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of the height control assembly of the present invention;

fig. 3 is a schematic structural view of the displacement treading assembly of the present invention.

In the figure: the piano comprises a piano frame 1, supporting legs 2, keys 3, a cover plate 4, a placing frame 5, an expansion plate 6, a height control assembly 7, a lower shell seat 71, a motor 72, a worm 73, a worm wheel 74, a screw cap 75, a screw 76, a displacement pedal assembly 8, an inner groove 81, a piano pedal 82, an upper pedal 83, a spring rod 84, a touch switch 85, an inner frame 86, an electromagnet 87, a tension spring 88, a clamping block 89, a magnet 810, a piano pedal operating rod 811, a control pedal 9, a side stabilizing block 701, a side stabilizing plate 702, a torsion bar spring 801, a cylinder 802, a sliding block 803, a sliding groove 804, anti-skidding teeth 805, friction stripes 806 and a folding blocking pad 807.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the technical scheme in the utility model, all other embodiments that ordinary skilled person in the art obtained under the prerequisite of not making the creative work all belong to the scope of the utility model protection.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a learning device is assisted to piano, including musical instrument frame 1, the stabilizer blade 2, apron 4, subassembly 8 is trampled to height control assembly 7 and displacement, 1 below fixedly connected with stabilizer blade 2 of musical instrument frame, 1 surface of musical instrument frame is equipped with key 3, musical instrument frame 1 rotates along 3 tops of key and is connected with

apron

4, 4 middle part below of apron is equipped with

rack

5, 1 below of musical instrument frame is equipped with expansion plate 6, height control assembly 7 is installed to expansion plate 6 below, 7 below mid-mounting of height control assembly has the displacement to trample subassembly 8, 7 below middle parts of height control assembly are equipped with control pedal 9.

Further, the height control assembly 7 further comprises a lower shell seat 71, a motor 72, a worm 73, a worm wheel 74, a nut 75 and a screw 76, wherein the motor 72 is installed in the middle of the inner surface of the lower shell seat 71, the worm 73 is fixedly connected to both ends of the motor 72, the worm wheel 74 is rotatably connected to the outer surface of the worm 73, the nut 75 is fixedly connected to the middle of the worm wheel 74, and the inner surface of the nut 75 is in threaded connection with the outer surface of the nut 75.

Further, the displacement stepping assembly 8 further comprises an inner groove 81, a piano pedal 82, an upper pedal 83, a spring rod 84, a touch switch 85, an inner frame 86, an electromagnet 87, a tension spring 88, a clamping block 89, a magnet 810 and a piano pedal control lever 811, wherein the piano pedal 82 is arranged on one side of the middle of the inner groove 81, the upper pedal 83 is arranged on the upper surface of the piano pedal 82, the spring rod 84 is fixedly connected below the upper pedal 83, the touch switch 85 is arranged in the middle of the lower part of the upper pedal 83, the inner frame 86 is fixedly connected to the right end of the piano pedal 82, the electromagnet 87 is arranged on the left side of the inner surface of the inner frame 86, the tension springs 88 are arranged on two sides of the electromagnet 87, the clamping block 89 is fixedly connected to the right end of the tension spring 88, the magnet 810 is fixedly connected to the middle of the left side of the clamping block 89, and the piano pedal control lever 811 is slidably connected to the right side of the clamping block 89.

Further, side stabilizing blocks 701 are fixedly connected to two sides of the lower shell seat 71, and side stabilizing plates 702 are slidably connected to the outer surfaces of the side stabilizing blocks 701.

Further, a torsion bar spring 801 is arranged at the right end of the inner surface of the piano pedal 82, and one end of the torsion bar spring 801 is fixedly connected with a cylinder 802.

Furthermore, sliding blocks 803 are fixedly connected to two sides below the upper pedal 83, and sliding grooves 804 are slidably connected to the outer surfaces of the sliding blocks 803.

Furthermore, the right side of the inner surface of the inner frame 86 is provided with anti-slip teeth 805, and the outer surface of the piano foot operating rod 811 is provided with friction stripes 806.

Further, a folding block pad 807 is glued over the outer surface of the piano pedal 82, and an inner groove 81 is glued to one end of the folding block pad 807.

The working principle is as follows: when the device is used, firstly, the height control assembly 7 works, the motor 72 is controlled to rotate positively and negatively by stepping on the control pedal 9, then the worm 73 is pushed to rotate, the worm 73 drives the worm wheel 74 and the screw cap 75 to rotate, further the screw cap 75 rotates and moves up and down from the surface of the fixed screw rod 76, and the pushing device reaches a proper height, so that a learner with incomplete body development can conveniently adjust the height of the piano pedal, the piano pedal can be flexibly controlled when the learner learns the piano, and meanwhile, the use and the playing of a person with normal stature are not influenced.

Then, the displacement pedal assembly 8 works, through the upper pedal 83 above the piano pedal 82, when a person treads, firstly, the upper pedal 83 is pressed, so that the pressing touch switch 85 is pressed, the electromagnet 87 is electrified and repelled, the magnet 810 and the clamping block 89 are pushed to move outwards, so that the piano pedal operating rod 811 is tightly clamped, at the moment, the person treads on the piano pedal 82, the action of the piano pedal 82 can be well transmitted to the piano through the piano pedal operating rod 811, when the person stops treading, the electromagnet 87 is powered off, the tension spring 88 pulls back the clamping block 89, at the moment, the piano pedal operating rod 811 is not stressed any more, so that the person can freely adjust the height of the pedal at any time, the action transmission between the pedal and the piano can not be influenced, and new structural connection and installation are not needed after each adjustment.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a learning device is assisted to piano, includes that musical instrument frame (1), stabilizer blade (2), apron (4), height control assembly (7) and displacement step on subassembly (8), its characterized in that: musical instrument frame (1) below fixedly connected with stabilizer blade (2), musical instrument frame (1) surface is equipped with key (3), musical instrument frame (1) rotates along key (3) top and is connected with apron (4), apron (4) middle part below is equipped with rack (5), musical instrument frame (1) below is equipped with expansion plate (6), height control assembly (7) are installed to expansion plate (6) below, height control assembly (7) below mid-mounting has the displacement to trample subassembly (8), height control assembly (7) below middle part is equipped with control pedal (9).

2. A piano auxiliary learning device according to claim 1, wherein: height control assembly (7) are still including lower shell seat (71), motor (72), worm (73), turbine (74), nut (75), screw rod (76), lower shell seat (71) internal surface mid-mounting has motor (72), the equal fixedly connected with worm (73) in motor (72) both ends, worm (73) surface rotates and is connected with turbine (74), turbine (74) middle part fixedly connected with nut (75), nut (75) internal surface and nut (75) surface threaded connection.

3. A piano auxiliary learning device according to claim 1, wherein: the displacement treading assembly (8) further comprises an inner groove (81), a piano pedal (82), an upper pedal (83), a spring rod (84), a touch switch (85), an inner frame (86), an electromagnet (87), a tension spring (88), a clamping block (89), a magnet (810) and a piano foot operating lever (811), wherein the piano pedal (82) is arranged on one side of the middle part of the inner groove (81), the upper pedal (83) is arranged on the upper surface of the piano pedal (82), the spring rod (84) is fixedly connected below the upper pedal (83), the touch switch (85) is arranged in the middle part below the upper pedal (83), the inner frame (86) is fixedly connected to the right end of the piano pedal (82), the electromagnet (87) is arranged on the left side of the inner surface of the inner frame (86), the tension springs (88) are arranged on two sides of the electromagnet (87), and the clamping block (89) is fixedly connected to the right end of the tension spring (88), the utility model discloses a piano pedal operation pole (811) is connected with to clamp splice (89) left side middle part fixedly connected with magnet (810), clamp splice (89) right side sliding connection has piano pedal operation pole (811).

4. A piano auxiliary learning device according to claim 2, wherein: the two sides of the lower shell seat (71) are fixedly connected with side edge stabilizing blocks (701), and the outer surfaces of the side edge stabilizing blocks (701) are connected with side edge stabilizing plates (702) in a sliding mode.

5. A piano auxiliary learning device according to claim 3, wherein: a torsion bar spring (801) is arranged at the right end of the inner surface of the piano pedal (82), and one end of the torsion bar spring (801) is fixedly connected with a cylinder (802).

6. A piano auxiliary learning device according to claim 3, wherein: both sides below the upper pedal (83) are fixedly connected with sliding blocks (803), and the outer surfaces of the sliding blocks (803) are connected with sliding grooves (804) in a sliding mode.

7. A piano auxiliary learning device according to claim 3, wherein: anti-skidding teeth (805) are arranged on the right side of the inner surface of the inner frame (86), and friction stripes (806) are arranged on the outer surface of the piano pedal operating rod (811).

8. A piano auxiliary learning device according to claim 3, wherein: the upper part of the outer surface of the piano pedal (82) is connected with a folding blocking pad (807) in a gluing mode, and one end of the folding blocking pad (807) is connected with an inner groove (81) in a gluing mode.